1201 lines
44 KiB
C
1201 lines
44 KiB
C
// SPDX-License-Identifier: GPL-3.0-or-later
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#include "../../libnetdata/libnetdata.h"
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#define PLUGIN_XENSTAT_NAME "xenstat.plugin"
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#define NETDATA_CHART_PRIO_XENSTAT_NODE_CPUS 30001
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#define NETDATA_CHART_PRIO_XENSTAT_NODE_CPU_FREQ 30002
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#define NETDATA_CHART_PRIO_XENSTAT_NODE_MEM 30003
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#define NETDATA_CHART_PRIO_XENSTAT_NODE_TMEM 30004
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#define NETDATA_CHART_PRIO_XENSTAT_NODE_DOMAINS 30005
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#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_STATES 30101
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#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_CPU 30102
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#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VCPU 30103
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#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_MEM 30104
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#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_TMEM_PAGES 30104
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#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_TMEM_OPERATIONS 30105
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#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VBD_OO_REQ 30200
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#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VBD_REQUESTS 30300
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#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VBD_SECTORS 30400
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#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_BYTES 30500
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#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_PACKETS 30600
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#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_ERRORS 30700
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#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_DROPS 30800
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#define TYPE_LENGTH_MAX 200
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#define CHART_IS_OBSOLETE 1
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#define CHART_IS_NOT_OBSOLETE 0
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// callback required by fatal()
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void netdata_cleanup_and_exit(int ret) {
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exit(ret);
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}
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void send_statistics( const char *action, const char *action_result, const char *action_data) {
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(void) action;
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(void) action_result;
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(void) action_data;
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return;
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}
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// callbacks required by popen()
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void signals_block(void) {};
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void signals_unblock(void) {};
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void signals_reset(void) {};
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// callback required by eval()
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int health_variable_lookup(const char *variable, uint32_t hash, struct rrdcalc *rc, calculated_number *result) {
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(void)variable;
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(void)hash;
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(void)rc;
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(void)result;
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return 0;
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};
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// required by get_system_cpus()
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char *netdata_configured_host_prefix = "";
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// Variables
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static int debug = 0;
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static int netdata_update_every = 1;
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#ifdef HAVE_LIBXENSTAT
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#include <xenstat.h>
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#include <libxl.h>
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struct vcpu_metrics {
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unsigned int id;
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unsigned int online;
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unsigned long long ns;
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int chart_generated;
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int updated;
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struct vcpu_metrics *next;
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};
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struct tmem_metrics {
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unsigned long long curr_eph_pages;
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unsigned long long succ_eph_gets;
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unsigned long long succ_pers_puts;
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unsigned long long succ_pers_gets;
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int pages_chart_generated;
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int operation_chart_generated;
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};
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struct vbd_metrics {
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unsigned int id;
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unsigned int error;
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unsigned long long oo_reqs;
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unsigned long long rd_reqs;
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unsigned long long wr_reqs;
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unsigned long long rd_sects;
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unsigned long long wr_sects;
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int oo_req_chart_generated;
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int requests_chart_generated;
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int sectors_chart_generated;
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int updated;
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struct vbd_metrics *next;
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};
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struct network_metrics {
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unsigned int id;
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unsigned long long rbytes;
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unsigned long long rpackets;
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unsigned long long rerrs;
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unsigned long long rdrops;
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unsigned long long tbytes;
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unsigned long long tpackets;
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unsigned long long terrs;
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unsigned long long tdrops;
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int bytes_chart_generated;
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int packets_chart_generated;
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int errors_chart_generated;
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int drops_chart_generated;
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int updated;
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struct network_metrics *next;
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};
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struct domain_metrics {
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char *uuid;
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uint32_t hash;
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unsigned int id;
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char *name;
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// states
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unsigned int running;
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unsigned int blocked;
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unsigned int paused;
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unsigned int shutdown;
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unsigned int crashed;
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unsigned int dying;
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unsigned long long cpu_ns;
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unsigned long long cur_mem;
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unsigned long long max_mem;
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struct tmem_metrics tmem;
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struct vcpu_metrics *vcpu_root;
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struct vbd_metrics *vbd_root;
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struct network_metrics *network_root;
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int states_chart_generated;
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int cpu_chart_generated;
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int vcpu_chart_generated;
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int num_vcpus_changed;
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int mem_chart_generated;
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int updated;
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struct domain_metrics *next;
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};
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struct node_metrics{
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unsigned long long tot_mem;
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unsigned long long free_mem;
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long freeable_mb;
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int num_domains;
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unsigned int num_cpus;
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unsigned long long node_cpu_hz;
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struct domain_metrics *domain_root;
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};
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static struct node_metrics node_metrics = {
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.domain_root = NULL
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};
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static inline struct domain_metrics *domain_metrics_get(const char *uuid, uint32_t hash) {
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struct domain_metrics *d = NULL, *last = NULL;
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for(d = node_metrics.domain_root; d ; last = d, d = d->next) {
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if(unlikely(d->hash == hash && !strcmp(d->uuid, uuid)))
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return d;
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}
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if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: allocating memory for domain with uuid %s\n", uuid);
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d = callocz(1, sizeof(struct domain_metrics));
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d->uuid = strdupz(uuid);
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d->hash = hash;
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if(unlikely(!last)) {
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d->next = node_metrics.domain_root;
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node_metrics.domain_root = d;
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}
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else {
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d->next = last->next;
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last->next = d;
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}
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return d;
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}
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static struct domain_metrics *domain_metrics_free(struct domain_metrics *d) {
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struct domain_metrics *cur = NULL, *last = NULL;
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struct vcpu_metrics *vcpu, *vcpu_f;
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struct vbd_metrics *vbd, *vbd_f;
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struct network_metrics *network, *network_f;
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if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: freeing memory for domain '%s' id %d, uuid %s\n", d->name, d->id, d->uuid);
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for(cur = node_metrics.domain_root; cur ; last = cur, cur = cur->next) {
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if(unlikely(cur->hash == d->hash && !strcmp(cur->uuid, d->uuid))) break;
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}
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if(unlikely(!cur)) {
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error("XENSTAT: failed to free domain metrics.");
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return NULL;
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}
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if(likely(last))
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last->next = cur->next;
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else
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node_metrics.domain_root = NULL;
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freez(cur->uuid);
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freez(cur->name);
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vcpu = cur->vcpu_root;
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while(vcpu) {
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vcpu_f = vcpu;
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vcpu = vcpu->next;
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freez(vcpu_f);
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}
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vbd = cur->vbd_root;
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while(vbd) {
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vbd_f = vbd;
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vbd = vbd->next;
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freez(vbd_f);
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}
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network = cur->network_root;
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while(network) {
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network_f = network;
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network = network->next;
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freez(network_f);
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}
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freez(cur);
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return last ? last : NULL;
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}
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static int vcpu_metrics_collect(struct domain_metrics *d, xenstat_domain *domain) {
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static unsigned int last_num_vcpus = 0;
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unsigned int num_vcpus = 0;
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xenstat_vcpu *vcpu = NULL;
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struct vcpu_metrics *vcpu_m = NULL, *last_vcpu_m = NULL;
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num_vcpus = xenstat_domain_num_vcpus(domain);
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if(unlikely(num_vcpus != last_num_vcpus)) {
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d->num_vcpus_changed = 1;
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last_num_vcpus = num_vcpus;
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}
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for(vcpu_m = d->vcpu_root; vcpu_m ; vcpu_m = vcpu_m->next)
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vcpu_m->updated = 0;
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vcpu_m = d->vcpu_root;
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unsigned int i;
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for(i = 0; i < num_vcpus; i++) {
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if(unlikely(!vcpu_m)) {
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vcpu_m = callocz(1, sizeof(struct vcpu_metrics));
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if(unlikely(i == 0)) d->vcpu_root = vcpu_m;
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else last_vcpu_m->next = vcpu_m;
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}
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vcpu_m->id = i;
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vcpu = xenstat_domain_vcpu(domain, i);
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if(unlikely(!vcpu)) {
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error("XENSTAT: cannot get VCPU statistics.");
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return 1;
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}
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vcpu_m->online = xenstat_vcpu_online(vcpu);
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vcpu_m->ns = xenstat_vcpu_ns(vcpu);
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vcpu_m->updated = 1;
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last_vcpu_m = vcpu_m;
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vcpu_m = vcpu_m->next;
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}
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return 0;
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}
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static int vbd_metrics_collect(struct domain_metrics *d, xenstat_domain *domain) {
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unsigned int num_vbds = xenstat_domain_num_vbds(domain);
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xenstat_vbd *vbd = NULL;
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struct vbd_metrics *vbd_m = NULL, *last_vbd_m = NULL;
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for(vbd_m = d->vbd_root; vbd_m ; vbd_m = vbd_m->next)
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vbd_m->updated = 0;
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vbd_m = d->vbd_root;
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unsigned int i;
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for(i = 0; i < num_vbds; i++) {
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if(unlikely(!vbd_m)) {
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vbd_m = callocz(1, sizeof(struct vbd_metrics));
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if(unlikely(i == 0)) d->vbd_root = vbd_m;
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else last_vbd_m->next = vbd_m;
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}
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vbd_m->id = i;
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vbd = xenstat_domain_vbd(domain, i);
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if(unlikely(!vbd)) {
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error("XENSTAT: cannot get VBD statistics.");
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return 1;
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}
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#ifdef HAVE_XENSTAT_VBD_ERROR
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vbd_m->error = xenstat_vbd_error(vbd);
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#else
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vbd_m->error = 0;
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#endif
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vbd_m->oo_reqs = xenstat_vbd_oo_reqs(vbd);
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vbd_m->rd_reqs = xenstat_vbd_rd_reqs(vbd);
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vbd_m->wr_reqs = xenstat_vbd_wr_reqs(vbd);
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vbd_m->rd_sects = xenstat_vbd_rd_sects(vbd);
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vbd_m->wr_sects = xenstat_vbd_wr_sects(vbd);
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vbd_m->updated = 1;
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last_vbd_m = vbd_m;
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vbd_m = vbd_m->next;
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}
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return 0;
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}
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static int network_metrics_collect(struct domain_metrics *d, xenstat_domain *domain) {
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unsigned int num_networks = xenstat_domain_num_networks(domain);
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xenstat_network *network = NULL;
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struct network_metrics *network_m = NULL, *last_network_m = NULL;
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for(network_m = d->network_root; network_m ; network_m = network_m->next)
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network_m->updated = 0;
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network_m = d->network_root;
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unsigned int i;
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for(i = 0; i < num_networks; i++) {
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if(unlikely(!network_m)) {
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network_m = callocz(1, sizeof(struct network_metrics));
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if(unlikely(i == 0)) d->network_root = network_m;
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else last_network_m->next = network_m;
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}
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network_m->id = i;
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network = xenstat_domain_network(domain, i);
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if(unlikely(!network)) {
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error("XENSTAT: cannot get network statistics.");
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return 1;
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}
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network_m->rbytes = xenstat_network_rbytes(network);
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network_m->rpackets = xenstat_network_rpackets(network);
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network_m->rerrs = xenstat_network_rerrs(network);
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network_m->rdrops = xenstat_network_rdrop(network);
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network_m->tbytes = xenstat_network_tbytes(network);
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network_m->tpackets = xenstat_network_tpackets(network);
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network_m->terrs = xenstat_network_terrs(network);
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network_m->tdrops = xenstat_network_tdrop(network);
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network_m->updated = 1;
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last_network_m = network_m;
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network_m = network_m->next;
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}
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return 0;
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}
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static int xenstat_collect(xenstat_handle *xhandle, libxl_ctx *ctx, libxl_dominfo *info) {
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// mark all old metrics as not-updated
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struct domain_metrics *d;
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for(d = node_metrics.domain_root; d ; d = d->next)
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d->updated = 0;
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xenstat_node *node = xenstat_get_node(xhandle, XENSTAT_ALL);
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if (unlikely(!node)) {
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error("XENSTAT: failed to retrieve statistics from libxenstat.");
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return 1;
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}
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node_metrics.tot_mem = xenstat_node_tot_mem(node);
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node_metrics.free_mem = xenstat_node_free_mem(node);
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node_metrics.freeable_mb = xenstat_node_freeable_mb(node);
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node_metrics.num_domains = xenstat_node_num_domains(node);
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node_metrics.num_cpus = xenstat_node_num_cpus(node);
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node_metrics.node_cpu_hz = xenstat_node_cpu_hz(node);
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int i;
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for(i = 0; i < node_metrics.num_domains; i++) {
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xenstat_domain *domain = NULL;
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char uuid[LIBXL_UUID_FMTLEN + 1];
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domain = xenstat_node_domain_by_index(node, i);
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// get domain UUID
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unsigned int id = xenstat_domain_id(domain);
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if(unlikely(libxl_domain_info(ctx, info, id))) {
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error("XENSTAT: cannot get domain info.");
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}
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else {
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snprintfz(uuid, LIBXL_UUID_FMTLEN, LIBXL_UUID_FMT "\n", LIBXL_UUID_BYTES(info->uuid));
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}
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uint32_t hash = simple_hash(uuid);
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d = domain_metrics_get(uuid, hash);
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d->id = id;
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if(unlikely(!d->name)) {
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d->name = strdupz(xenstat_domain_name(domain));
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netdata_fix_chart_id(d->name);
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if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: domain id %d, uuid %s has name '%s'\n", d->id, d->uuid, d->name);
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}
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d->running = xenstat_domain_running(domain);
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d->blocked = xenstat_domain_blocked(domain);
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d->paused = xenstat_domain_paused(domain);
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d->shutdown = xenstat_domain_shutdown(domain);
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d->crashed = xenstat_domain_crashed(domain);
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d->dying = xenstat_domain_dying(domain);
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d->cpu_ns = xenstat_domain_cpu_ns(domain);
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d->cur_mem = xenstat_domain_cur_mem(domain);
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d->max_mem = xenstat_domain_max_mem(domain);
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xenstat_tmem *tmem = xenstat_domain_tmem(domain);
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d->tmem.curr_eph_pages = xenstat_tmem_curr_eph_pages(tmem);
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d->tmem.succ_eph_gets = xenstat_tmem_succ_eph_gets(tmem);
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d->tmem.succ_pers_puts = xenstat_tmem_succ_pers_puts(tmem);
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d->tmem.succ_pers_gets = xenstat_tmem_succ_pers_gets(tmem);
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if(unlikely(vcpu_metrics_collect(d, domain) || vbd_metrics_collect(d, domain) || network_metrics_collect(d, domain))) {
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xenstat_free_node(node);
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return 1;
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}
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d->updated = 1;
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}
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xenstat_free_node(node);
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return 0;
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}
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static void xenstat_send_node_metrics() {
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static int mem_chart_generated = 0, tmem_chart_generated = 0, domains_chart_generated = 0, cpus_chart_generated = 0, cpu_freq_chart_generated = 0;
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// ----------------------------------------------------------------
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if(unlikely(!mem_chart_generated)) {
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printf("CHART xenstat.mem '' 'Memory Usage' 'MiB' 'memory' '' stacked %d %d '' %s\n"
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, NETDATA_CHART_PRIO_XENSTAT_NODE_MEM
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, netdata_update_every
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, PLUGIN_XENSTAT_NAME
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);
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printf("DIMENSION %s '' absolute 1 %d\n", "free", netdata_update_every * 1024 * 1024);
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printf("DIMENSION %s '' absolute 1 %d\n", "used", netdata_update_every * 1024 * 1024);
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mem_chart_generated = 1;
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}
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printf(
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"BEGIN xenstat.mem\n"
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"SET free = %lld\n"
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"SET used = %lld\n"
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"END\n"
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, (collected_number) node_metrics.free_mem
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, (collected_number) (node_metrics.tot_mem - node_metrics.free_mem)
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);
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// ----------------------------------------------------------------
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if(unlikely(!tmem_chart_generated)) {
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printf("CHART xenstat.tmem '' 'Freeable Transcedent Memory' 'MiB' 'memory' '' line %d %d '' %s\n"
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, NETDATA_CHART_PRIO_XENSTAT_NODE_TMEM
|
|
, netdata_update_every
|
|
, PLUGIN_XENSTAT_NAME
|
|
);
|
|
printf("DIMENSION %s '' absolute 1 %d\n", "freeable", netdata_update_every * 1024 * 1024);
|
|
tmem_chart_generated = 1;
|
|
}
|
|
|
|
printf(
|
|
"BEGIN xenstat.tmem\n"
|
|
"SET freeable = %lld\n"
|
|
"END\n"
|
|
, (collected_number) node_metrics.freeable_mb
|
|
);
|
|
|
|
// ----------------------------------------------------------------
|
|
|
|
if(unlikely(!domains_chart_generated)) {
|
|
printf("CHART xenstat.domains '' 'Number of Domains' 'domains' 'domains' '' line %d %d '' %s\n"
|
|
, NETDATA_CHART_PRIO_XENSTAT_NODE_DOMAINS
|
|
, netdata_update_every
|
|
, PLUGIN_XENSTAT_NAME
|
|
);
|
|
printf("DIMENSION %s '' absolute 1 %d\n", "domains", netdata_update_every);
|
|
domains_chart_generated = 1;
|
|
}
|
|
|
|
printf(
|
|
"BEGIN xenstat.domains\n"
|
|
"SET domains = %lld\n"
|
|
"END\n"
|
|
, (collected_number) node_metrics.num_domains
|
|
);
|
|
|
|
// ----------------------------------------------------------------
|
|
|
|
if(unlikely(!cpus_chart_generated)) {
|
|
printf("CHART xenstat.cpus '' 'Number of CPUs' 'cpus' 'cpu' '' line %d %d '' %s\n"
|
|
, NETDATA_CHART_PRIO_XENSTAT_NODE_CPUS
|
|
, netdata_update_every
|
|
, PLUGIN_XENSTAT_NAME
|
|
);
|
|
printf("DIMENSION %s '' absolute 1 %d\n", "cpus", netdata_update_every);
|
|
cpus_chart_generated = 1;
|
|
}
|
|
|
|
printf(
|
|
"BEGIN xenstat.cpus\n"
|
|
"SET cpus = %lld\n"
|
|
"END\n"
|
|
, (collected_number) node_metrics.num_cpus
|
|
);
|
|
|
|
// ----------------------------------------------------------------
|
|
|
|
if(unlikely(!cpu_freq_chart_generated)) {
|
|
printf("CHART xenstat.cpu_freq '' 'CPU Frequency' 'MHz' 'cpu' '' line %d %d '' %s\n"
|
|
, NETDATA_CHART_PRIO_XENSTAT_NODE_CPU_FREQ
|
|
, netdata_update_every
|
|
, PLUGIN_XENSTAT_NAME
|
|
);
|
|
printf("DIMENSION %s '' absolute 1 %d\n", "frequency", netdata_update_every * 1024 * 1024);
|
|
cpu_freq_chart_generated = 1;
|
|
}
|
|
|
|
printf(
|
|
"BEGIN xenstat.cpu_freq\n"
|
|
"SET frequency = %lld\n"
|
|
"END\n"
|
|
, (collected_number) node_metrics.node_cpu_hz
|
|
);
|
|
}
|
|
|
|
static void print_domain_states_chart_definition(char *type, int obsolete_flag) {
|
|
printf("CHART %s.states '' 'Domain States' 'boolean' 'states' 'xendomain.states' line %d %d %s %s\n"
|
|
, type
|
|
, NETDATA_CHART_PRIO_XENSTAT_DOMAIN_STATES
|
|
, netdata_update_every
|
|
, obsolete_flag ? "obsolete": "''"
|
|
, PLUGIN_XENSTAT_NAME
|
|
);
|
|
printf("DIMENSION running '' absolute 1 %d\n", netdata_update_every);
|
|
printf("DIMENSION blocked '' absolute 1 %d\n", netdata_update_every);
|
|
printf("DIMENSION paused '' absolute 1 %d\n", netdata_update_every);
|
|
printf("DIMENSION shutdown '' absolute 1 %d\n", netdata_update_every);
|
|
printf("DIMENSION crashed '' absolute 1 %d\n", netdata_update_every);
|
|
printf("DIMENSION dying '' absolute 1 %d\n", netdata_update_every);
|
|
}
|
|
|
|
static void print_domain_cpu_chart_definition(char *type, int obsolete_flag) {
|
|
printf("CHART %s.cpu '' 'CPU Usage (100%% = 1 core)' 'percentage' 'cpu' 'xendomain.cpu' line %d %d %s %s\n"
|
|
, type
|
|
, NETDATA_CHART_PRIO_XENSTAT_DOMAIN_CPU
|
|
, netdata_update_every
|
|
, obsolete_flag ? "obsolete": "''"
|
|
, PLUGIN_XENSTAT_NAME
|
|
);
|
|
printf("DIMENSION used '' incremental 100 %d\n", netdata_update_every * 1000000000);
|
|
}
|
|
|
|
static void print_domain_mem_chart_definition(char *type, int obsolete_flag) {
|
|
printf("CHART %s.mem '' 'Memory Reservation' 'MiB' 'memory' 'xendomain.mem' line %d %d %s %s\n"
|
|
, type
|
|
, NETDATA_CHART_PRIO_XENSTAT_DOMAIN_MEM
|
|
, netdata_update_every
|
|
, obsolete_flag ? "obsolete": "''"
|
|
, PLUGIN_XENSTAT_NAME
|
|
);
|
|
printf("DIMENSION maximum '' absolute 1 %d\n", netdata_update_every * 1024 * 1024);
|
|
printf("DIMENSION current '' absolute 1 %d\n", netdata_update_every * 1024 * 1024);
|
|
}
|
|
|
|
static void print_domain_tmem_pages_chart_definition(char *type, int obsolete_flag) {
|
|
printf("CHART %s.tmem_pages '' 'Current Number of Transcedent Memory Ephemeral Pages' 'pages' 'memory' 'xendomain.tmem_pages' line %d %d %s %s\n"
|
|
, type
|
|
, NETDATA_CHART_PRIO_XENSTAT_DOMAIN_TMEM_PAGES
|
|
, netdata_update_every
|
|
, obsolete_flag ? "obsolete": "''"
|
|
, PLUGIN_XENSTAT_NAME
|
|
);
|
|
printf("DIMENSION pages '' absolute 1 %d\n", netdata_update_every);
|
|
}
|
|
|
|
static void print_domain_tmem_operations_chart_definition(char *type, int obsolete_flag) {
|
|
printf("CHART %s.tmem_operations '' 'Successful Transcedent Memory Puts and Gets' 'events/s' 'memory' 'xendomain.tmem_operations' line %d %d %s %s\n"
|
|
, type
|
|
, NETDATA_CHART_PRIO_XENSTAT_DOMAIN_TMEM_OPERATIONS
|
|
, netdata_update_every
|
|
, obsolete_flag ? "obsolete": "''"
|
|
, PLUGIN_XENSTAT_NAME
|
|
);
|
|
printf("DIMENSION ephemeral_gets 'ephemeral gets' incremental 1 %d\n", netdata_update_every);
|
|
printf("DIMENSION persistent_puts 'persistent puts' incremental 1 %d\n", netdata_update_every);
|
|
printf("DIMENSION persistent_gets 'persistent gets' incremental 1 %d\n", netdata_update_every);
|
|
}
|
|
|
|
static void print_domain_vcpu_chart_definition(char *type, struct domain_metrics *d, int obsolete_flag) {
|
|
struct vcpu_metrics *vcpu_m;
|
|
|
|
printf("CHART %s.vcpu '' 'CPU Usage per VCPU' 'percentage' 'cpu' 'xendomain.vcpu' line %d %d %s %s\n"
|
|
, type
|
|
, NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VCPU
|
|
, netdata_update_every
|
|
, obsolete_flag ? "obsolete": "''"
|
|
, PLUGIN_XENSTAT_NAME
|
|
);
|
|
|
|
for(vcpu_m = d->vcpu_root; vcpu_m; vcpu_m = vcpu_m->next) {
|
|
if(likely(vcpu_m->updated && vcpu_m->online)) {
|
|
printf("DIMENSION vcpu%u '' incremental 100 %d\n", vcpu_m->id, netdata_update_every * 1000000000);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void print_domain_vbd_oo_chart_definition(char *type, unsigned int vbd, int obsolete_flag) {
|
|
printf("CHART %s.oo_req_vbd%u '' 'VBD%u \"Out Of\" Requests' 'requests/s' 'vbd' 'xendomain.oo_req_vbd' line %d %d %s %s\n"
|
|
, type
|
|
, vbd
|
|
, vbd
|
|
, NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VBD_OO_REQ + vbd
|
|
, netdata_update_every
|
|
, obsolete_flag ? "obsolete": "''"
|
|
, PLUGIN_XENSTAT_NAME
|
|
);
|
|
printf("DIMENSION requests '' incremental 1 %d\n", netdata_update_every);
|
|
}
|
|
|
|
static void print_domain_vbd_requests_chart_definition(char *type, unsigned int vbd, int obsolete_flag) {
|
|
printf("CHART %s.requests_vbd%u '' 'VBD%u Requests' 'requests/s' 'vbd' 'xendomain.requests_vbd' line %d %d %s %s\n"
|
|
, type
|
|
, vbd
|
|
, vbd
|
|
, NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VBD_REQUESTS + vbd
|
|
, netdata_update_every
|
|
, obsolete_flag ? "obsolete": "''"
|
|
, PLUGIN_XENSTAT_NAME
|
|
);
|
|
printf("DIMENSION read '' incremental 1 %d\n", netdata_update_every);
|
|
printf("DIMENSION write '' incremental -1 %d\n", netdata_update_every);
|
|
}
|
|
|
|
static void print_domain_vbd_sectors_chart_definition(char *type, unsigned int vbd, int obsolete_flag) {
|
|
printf("CHART %s.sectors_vbd%u '' 'VBD%u Read/Written Sectors' 'sectors/s' 'vbd' 'xendomain.sectors_vbd' line %d %d %s %s\n"
|
|
, type
|
|
, vbd
|
|
, vbd
|
|
, NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VBD_SECTORS + vbd
|
|
, netdata_update_every
|
|
, obsolete_flag ? "obsolete": "''"
|
|
, PLUGIN_XENSTAT_NAME
|
|
);
|
|
printf("DIMENSION read '' incremental 1 %d\n", netdata_update_every);
|
|
printf("DIMENSION write '' incremental -1 %d\n", netdata_update_every);
|
|
}
|
|
|
|
static void print_domain_network_bytes_chart_definition(char *type, unsigned int network, int obsolete_flag) {
|
|
printf("CHART %s.bytes_network%u '' 'Network%u Received/Sent Bytes' 'kilobits/s' 'network' 'xendomain.bytes_network' line %d %d %s %s\n"
|
|
, type
|
|
, network
|
|
, network
|
|
, NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_BYTES + network
|
|
, netdata_update_every
|
|
, obsolete_flag ? "obsolete": "''"
|
|
, PLUGIN_XENSTAT_NAME
|
|
);
|
|
printf("DIMENSION received '' incremental 8 %d\n", netdata_update_every * 1000);
|
|
printf("DIMENSION sent '' incremental -8 %d\n", netdata_update_every * 1000);
|
|
}
|
|
|
|
static void print_domain_network_packets_chart_definition(char *type, unsigned int network, int obsolete_flag) {
|
|
printf("CHART %s.packets_network%u '' 'Network%u Recieved/Sent Packets' 'packets/s' 'network' 'xendomain.packets_network' line %d %d %s %s\n"
|
|
, type
|
|
, network
|
|
, network
|
|
, NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_PACKETS + network
|
|
, netdata_update_every
|
|
, obsolete_flag ? "obsolete": "''"
|
|
, PLUGIN_XENSTAT_NAME
|
|
);
|
|
printf("DIMENSION received '' incremental 1 %d\n", netdata_update_every);
|
|
printf("DIMENSION sent '' incremental -1 %d\n", netdata_update_every);
|
|
}
|
|
|
|
static void print_domain_network_errors_chart_definition(char *type, unsigned int network, int obsolete_flag) {
|
|
printf("CHART %s.errors_network%u '' 'Network%u Receive/Transmit Errors' 'errors/s' 'network' 'xendomain.errors_network' line %d %d %s %s\n"
|
|
, type
|
|
, network
|
|
, network
|
|
, NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_PACKETS + network
|
|
, netdata_update_every
|
|
, obsolete_flag ? "obsolete": "''"
|
|
, PLUGIN_XENSTAT_NAME
|
|
);
|
|
printf("DIMENSION received '' incremental 1 %d\n", netdata_update_every);
|
|
printf("DIMENSION sent '' incremental -1 %d\n", netdata_update_every);
|
|
}
|
|
|
|
static void print_domain_network_drops_chart_definition(char *type, unsigned int network, int obsolete_flag) {
|
|
printf("CHART %s.drops_network%u '' 'Network%u Recieve/Transmit Drops' 'drops/s' 'network' 'xendomain.drops_network' line %d %d %s %s\n"
|
|
, type
|
|
, network
|
|
, network
|
|
, NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_PACKETS + network
|
|
, netdata_update_every
|
|
, obsolete_flag ? "obsolete": "''"
|
|
, PLUGIN_XENSTAT_NAME
|
|
);
|
|
printf("DIMENSION received '' incremental 1 %d\n", netdata_update_every);
|
|
printf("DIMENSION sent '' incremental -1 %d\n", netdata_update_every);
|
|
}
|
|
|
|
static void xenstat_send_domain_metrics() {
|
|
|
|
if(unlikely(!node_metrics.domain_root)) return;
|
|
struct domain_metrics *d;
|
|
|
|
for(d = node_metrics.domain_root; d; d = d->next) {
|
|
char type[TYPE_LENGTH_MAX + 1];
|
|
snprintfz(type, TYPE_LENGTH_MAX, "xendomain_%s_%s", d->name, d->uuid);
|
|
|
|
if(likely(d->updated)) {
|
|
|
|
// ----------------------------------------------------------------
|
|
|
|
if(unlikely(!d->states_chart_generated)) {
|
|
print_domain_states_chart_definition(type, CHART_IS_NOT_OBSOLETE);
|
|
d->states_chart_generated = 1;
|
|
}
|
|
printf(
|
|
"BEGIN %s.states\n"
|
|
"SET running = %lld\n"
|
|
"SET blocked = %lld\n"
|
|
"SET paused = %lld\n"
|
|
"SET shutdown = %lld\n"
|
|
"SET crashed = %lld\n"
|
|
"SET dying = %lld\n"
|
|
"END\n"
|
|
, type
|
|
, (collected_number)d->running
|
|
, (collected_number)d->blocked
|
|
, (collected_number)d->paused
|
|
, (collected_number)d->shutdown
|
|
, (collected_number)d->crashed
|
|
, (collected_number)d->dying
|
|
);
|
|
|
|
// ----------------------------------------------------------------
|
|
|
|
if(unlikely(!d->cpu_chart_generated)) {
|
|
print_domain_cpu_chart_definition(type, CHART_IS_NOT_OBSOLETE);
|
|
d->cpu_chart_generated = 1;
|
|
}
|
|
printf(
|
|
"BEGIN %s.cpu\n"
|
|
"SET used = %lld\n"
|
|
"END\n"
|
|
, type
|
|
, (collected_number)d->cpu_ns
|
|
);
|
|
|
|
// ----------------------------------------------------------------
|
|
|
|
struct vcpu_metrics *vcpu_m;
|
|
|
|
if(unlikely(!d->vcpu_chart_generated || d->num_vcpus_changed)) {
|
|
print_domain_vcpu_chart_definition(type, d, CHART_IS_NOT_OBSOLETE);
|
|
d->num_vcpus_changed = 0;
|
|
d->vcpu_chart_generated = 1;
|
|
}
|
|
|
|
printf("BEGIN %s.vcpu\n", type);
|
|
for(vcpu_m = d->vcpu_root; vcpu_m; vcpu_m = vcpu_m->next) {
|
|
if(likely(vcpu_m->updated && vcpu_m->online)) {
|
|
printf(
|
|
"SET vcpu%u = %lld\n"
|
|
, vcpu_m->id
|
|
, (collected_number)vcpu_m->ns
|
|
);
|
|
}
|
|
}
|
|
printf("END\n");
|
|
|
|
// ----------------------------------------------------------------
|
|
|
|
if(unlikely(!d->mem_chart_generated)) {
|
|
print_domain_mem_chart_definition(type, CHART_IS_NOT_OBSOLETE);
|
|
d->mem_chart_generated = 1;
|
|
}
|
|
printf(
|
|
"BEGIN %s.mem\n"
|
|
"SET maximum = %lld\n"
|
|
"SET current = %lld\n"
|
|
"END\n"
|
|
, type
|
|
, (collected_number)d->max_mem
|
|
, (collected_number)d->cur_mem
|
|
);
|
|
|
|
// ----------------------------------------------------------------
|
|
|
|
if(unlikely(!d->tmem.pages_chart_generated)) {
|
|
print_domain_tmem_pages_chart_definition(type, CHART_IS_NOT_OBSOLETE);
|
|
d->tmem.pages_chart_generated = 1;
|
|
}
|
|
printf(
|
|
"BEGIN %s.tmem_pages\n"
|
|
"SET pages = %lld\n"
|
|
"END\n"
|
|
, type
|
|
, (collected_number)d->tmem.curr_eph_pages
|
|
);
|
|
|
|
// ----------------------------------------------------------------
|
|
|
|
if(unlikely(!d->tmem.operation_chart_generated)) {
|
|
print_domain_tmem_operations_chart_definition(type, CHART_IS_NOT_OBSOLETE);
|
|
d->tmem.operation_chart_generated = 1;
|
|
}
|
|
printf(
|
|
"BEGIN %s.tmem_operations\n"
|
|
"SET ephemeral_gets = %lld\n"
|
|
"SET persistent_puts = %lld\n"
|
|
"SET persistent_gets = %lld\n"
|
|
"END\n"
|
|
, type
|
|
, (collected_number)d->tmem.succ_eph_gets
|
|
, (collected_number)d->tmem.succ_pers_puts
|
|
, (collected_number)d->tmem.succ_eph_gets
|
|
);
|
|
|
|
// ----------------------------------------------------------------
|
|
|
|
struct vbd_metrics *vbd_m;
|
|
for(vbd_m = d->vbd_root; vbd_m; vbd_m = vbd_m->next) {
|
|
if(likely(vbd_m->updated && !vbd_m->error)) {
|
|
if(unlikely(!vbd_m->oo_req_chart_generated)) {
|
|
print_domain_vbd_oo_chart_definition(type, vbd_m->id, CHART_IS_NOT_OBSOLETE);
|
|
vbd_m->oo_req_chart_generated = 1;
|
|
}
|
|
printf(
|
|
"BEGIN %s.oo_req_vbd%u\n"
|
|
"SET requests = %lld\n"
|
|
"END\n"
|
|
, type
|
|
, vbd_m->id
|
|
, (collected_number)vbd_m->oo_reqs
|
|
);
|
|
|
|
// ----------------------------------------------------------------
|
|
|
|
if(unlikely(!vbd_m->requests_chart_generated)) {
|
|
print_domain_vbd_requests_chart_definition(type, vbd_m->id, CHART_IS_NOT_OBSOLETE);
|
|
vbd_m->requests_chart_generated = 1;
|
|
}
|
|
printf(
|
|
"BEGIN %s.requests_vbd%u\n"
|
|
"SET read = %lld\n"
|
|
"SET write = %lld\n"
|
|
"END\n"
|
|
, type
|
|
, vbd_m->id
|
|
, (collected_number)vbd_m->rd_reqs
|
|
, (collected_number)vbd_m->wr_reqs
|
|
);
|
|
|
|
// ----------------------------------------------------------------
|
|
|
|
if(unlikely(!vbd_m->sectors_chart_generated)) {
|
|
print_domain_vbd_sectors_chart_definition(type, vbd_m->id, CHART_IS_NOT_OBSOLETE);
|
|
vbd_m->sectors_chart_generated = 1;
|
|
}
|
|
printf(
|
|
"BEGIN %s.sectors_vbd%u\n"
|
|
"SET read = %lld\n"
|
|
"SET write = %lld\n"
|
|
"END\n"
|
|
, type
|
|
, vbd_m->id
|
|
, (collected_number)vbd_m->rd_sects
|
|
, (collected_number)vbd_m->wr_sects
|
|
);
|
|
}
|
|
else {
|
|
if(unlikely(vbd_m->oo_req_chart_generated
|
|
|| vbd_m->requests_chart_generated
|
|
|| vbd_m->sectors_chart_generated)) {
|
|
if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: mark charts as obsolete for vbd %d, domain '%s', id %d, uuid %s\n", vbd_m->id, d->name, d->id, d->uuid);
|
|
print_domain_vbd_oo_chart_definition(type, vbd_m->id, CHART_IS_OBSOLETE);
|
|
print_domain_vbd_requests_chart_definition(type, vbd_m->id, CHART_IS_OBSOLETE);
|
|
print_domain_vbd_sectors_chart_definition(type, vbd_m->id, CHART_IS_OBSOLETE);
|
|
vbd_m->oo_req_chart_generated = 0;
|
|
vbd_m->requests_chart_generated = 0;
|
|
vbd_m->sectors_chart_generated = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
// ----------------------------------------------------------------
|
|
|
|
struct network_metrics *network_m;
|
|
for(network_m = d->network_root; network_m; network_m = network_m->next) {
|
|
if(likely(network_m->updated)) {
|
|
if(unlikely(!network_m->bytes_chart_generated)) {
|
|
print_domain_network_bytes_chart_definition(type, network_m->id, CHART_IS_NOT_OBSOLETE);
|
|
network_m->bytes_chart_generated = 1;
|
|
}
|
|
printf(
|
|
"BEGIN %s.bytes_network%u\n"
|
|
"SET recieved = %lld\n"
|
|
"SET sent = %lld\n"
|
|
"END\n"
|
|
, type
|
|
, network_m->id
|
|
, (collected_number)network_m->rbytes
|
|
, (collected_number)network_m->tbytes
|
|
);
|
|
|
|
// ----------------------------------------------------------------
|
|
|
|
if(unlikely(!network_m->packets_chart_generated)) {
|
|
print_domain_network_packets_chart_definition(type, network_m->id, CHART_IS_NOT_OBSOLETE);
|
|
network_m->packets_chart_generated = 1;
|
|
}
|
|
printf(
|
|
"BEGIN %s.packets_network%u\n"
|
|
"SET recieved = %lld\n"
|
|
"SET sent = %lld\n"
|
|
"END\n"
|
|
, type
|
|
, network_m->id
|
|
, (collected_number)network_m->rpackets
|
|
, (collected_number)network_m->tpackets
|
|
);
|
|
|
|
// ----------------------------------------------------------------
|
|
|
|
if(unlikely(!network_m->errors_chart_generated)) {
|
|
print_domain_network_errors_chart_definition(type, network_m->id, CHART_IS_NOT_OBSOLETE);
|
|
network_m->errors_chart_generated = 1;
|
|
}
|
|
printf(
|
|
"BEGIN %s.errors_network%u\n"
|
|
"SET recieved = %lld\n"
|
|
"SET sent = %lld\n"
|
|
"END\n"
|
|
, type
|
|
, network_m->id
|
|
, (collected_number)network_m->rerrs
|
|
, (collected_number)network_m->terrs
|
|
);
|
|
|
|
// ----------------------------------------------------------------
|
|
|
|
if(unlikely(!network_m->drops_chart_generated)) {
|
|
print_domain_network_drops_chart_definition(type, network_m->id, CHART_IS_NOT_OBSOLETE);
|
|
network_m->drops_chart_generated = 1;
|
|
}
|
|
printf(
|
|
"BEGIN %s.drops_network%u\n"
|
|
"SET recieved = %lld\n"
|
|
"SET sent = %lld\n"
|
|
"END\n"
|
|
, type
|
|
, network_m->id
|
|
, (collected_number)network_m->rdrops
|
|
, (collected_number)network_m->tdrops
|
|
);
|
|
}
|
|
else {
|
|
if(unlikely(network_m->bytes_chart_generated
|
|
|| network_m->packets_chart_generated
|
|
|| network_m->errors_chart_generated
|
|
|| network_m->drops_chart_generated))
|
|
if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: mark charts as obsolete for network %d, domain '%s', id %d, uuid %s\n", network_m->id, d->name, d->id, d->uuid);
|
|
print_domain_network_bytes_chart_definition(type, network_m->id, CHART_IS_OBSOLETE);
|
|
print_domain_network_packets_chart_definition(type, network_m->id, CHART_IS_OBSOLETE);
|
|
print_domain_network_errors_chart_definition(type, network_m->id, CHART_IS_OBSOLETE);
|
|
print_domain_network_drops_chart_definition(type, network_m->id, CHART_IS_OBSOLETE);
|
|
network_m->bytes_chart_generated = 0;
|
|
network_m->packets_chart_generated = 0;
|
|
network_m->errors_chart_generated = 0;
|
|
network_m->drops_chart_generated = 0;
|
|
}
|
|
}
|
|
}
|
|
else{
|
|
if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: mark charts as obsolete for domain '%s', id %d, uuid %s\n", d->name, d->id, d->uuid);
|
|
print_domain_states_chart_definition(type, CHART_IS_OBSOLETE);
|
|
print_domain_cpu_chart_definition(type, CHART_IS_OBSOLETE);
|
|
print_domain_vcpu_chart_definition(type, d, CHART_IS_OBSOLETE);
|
|
print_domain_mem_chart_definition(type, CHART_IS_OBSOLETE);
|
|
print_domain_tmem_pages_chart_definition(type, CHART_IS_OBSOLETE);
|
|
print_domain_tmem_operations_chart_definition(type, CHART_IS_OBSOLETE);
|
|
|
|
d = domain_metrics_free(d);
|
|
}
|
|
}
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
|
|
// ------------------------------------------------------------------------
|
|
// initialization of netdata plugin
|
|
|
|
program_name = "xenstat.plugin";
|
|
|
|
// disable syslog
|
|
error_log_syslog = 0;
|
|
|
|
// set errors flood protection to 100 logs per hour
|
|
error_log_errors_per_period = 100;
|
|
error_log_throttle_period = 3600;
|
|
|
|
// ------------------------------------------------------------------------
|
|
// parse command line parameters
|
|
|
|
int i, freq = 0;
|
|
for(i = 1; i < argc ; i++) {
|
|
if(isdigit(*argv[i]) && !freq) {
|
|
int n = str2i(argv[i]);
|
|
if(n > 0 && n < 86400) {
|
|
freq = n;
|
|
continue;
|
|
}
|
|
}
|
|
else if(strcmp("version", argv[i]) == 0 || strcmp("-version", argv[i]) == 0 || strcmp("--version", argv[i]) == 0 || strcmp("-v", argv[i]) == 0 || strcmp("-V", argv[i]) == 0) {
|
|
printf("xenstat.plugin %s\n", VERSION);
|
|
exit(0);
|
|
}
|
|
else if(strcmp("debug", argv[i]) == 0) {
|
|
debug = 1;
|
|
continue;
|
|
}
|
|
else if(strcmp("-h", argv[i]) == 0 || strcmp("--help", argv[i]) == 0) {
|
|
fprintf(stderr,
|
|
"\n"
|
|
" netdata xenstat.plugin %s\n"
|
|
" Copyright (C) 2019 Netdata Inc.\n"
|
|
" Released under GNU General Public License v3 or later.\n"
|
|
" All rights reserved.\n"
|
|
"\n"
|
|
" This program is a data collector plugin for netdata.\n"
|
|
"\n"
|
|
" Available command line options:\n"
|
|
"\n"
|
|
" COLLECTION_FREQUENCY data collection frequency in seconds\n"
|
|
" minimum: %d\n"
|
|
"\n"
|
|
" debug enable verbose output\n"
|
|
" default: disabled\n"
|
|
"\n"
|
|
" -v\n"
|
|
" -V\n"
|
|
" --version print version and exit\n"
|
|
"\n"
|
|
" -h\n"
|
|
" --help print this message and exit\n"
|
|
"\n"
|
|
" For more information:\n"
|
|
" https://github.com/netdata/netdata/tree/master/collectors/xenstat.plugin\n"
|
|
"\n"
|
|
, VERSION
|
|
, netdata_update_every
|
|
);
|
|
exit(1);
|
|
}
|
|
|
|
error("xenstat.plugin: ignoring parameter '%s'", argv[i]);
|
|
}
|
|
|
|
errno = 0;
|
|
|
|
if(freq >= netdata_update_every)
|
|
netdata_update_every = freq;
|
|
else if(freq)
|
|
error("update frequency %d seconds is too small for XENSTAT. Using %d.", freq, netdata_update_every);
|
|
|
|
// ------------------------------------------------------------------------
|
|
// initialize xen API handles
|
|
xenstat_handle *xhandle = NULL;
|
|
libxl_ctx *ctx = NULL;
|
|
libxl_dominfo info;
|
|
|
|
if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: calling xenstat_init()\n");
|
|
xhandle = xenstat_init();
|
|
if (xhandle == NULL)
|
|
error("XENSTAT: failed to initialize xenstat library.");
|
|
|
|
if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: calling libxl_ctx_alloc()\n");
|
|
if (libxl_ctx_alloc(&ctx, LIBXL_VERSION, 0, NULL)) {
|
|
error("XENSTAT: failed to initialize xl context.");
|
|
}
|
|
libxl_dominfo_init(&info);
|
|
|
|
// ------------------------------------------------------------------------
|
|
// the main loop
|
|
|
|
if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: starting data collection\n");
|
|
|
|
time_t started_t = now_monotonic_sec();
|
|
|
|
size_t iteration;
|
|
usec_t step = netdata_update_every * USEC_PER_SEC;
|
|
|
|
heartbeat_t hb;
|
|
heartbeat_init(&hb);
|
|
for(iteration = 0; 1; iteration++) {
|
|
usec_t dt = heartbeat_next(&hb, step);
|
|
|
|
if(unlikely(netdata_exit)) break;
|
|
|
|
if(unlikely(debug && iteration))
|
|
fprintf(stderr, "xenstat.plugin: iteration %zu, dt %llu usec\n"
|
|
, iteration
|
|
, dt
|
|
);
|
|
|
|
if(likely(xhandle)) {
|
|
if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: calling xenstat_collect()\n");
|
|
int ret = xenstat_collect(xhandle, ctx, &info);
|
|
|
|
if(likely(!ret)) {
|
|
if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: calling xenstat_send_node_metrics()\n");
|
|
xenstat_send_node_metrics();
|
|
if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: calling xenstat_send_domain_metrics()\n");
|
|
xenstat_send_domain_metrics();
|
|
}
|
|
else {
|
|
if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: can't collect data\n");
|
|
}
|
|
}
|
|
|
|
fflush(stdout);
|
|
|
|
// restart check (14400 seconds)
|
|
if(unlikely(now_monotonic_sec() - started_t > 14400)) break;
|
|
}
|
|
|
|
libxl_ctx_free(ctx);
|
|
xenstat_uninit(xhandle);
|
|
info("XENSTAT process exiting");
|
|
}
|
|
|
|
#else // !HAVE_LIBXENSTAT
|
|
|
|
int main(int argc, char **argv) {
|
|
(void)argc;
|
|
(void)argv;
|
|
|
|
fatal("xenstat.plugin is not compiled.");
|
|
}
|
|
|
|
#endif // !HAVE_LIBXENSTAT
|